208037475

素因数分解:

$3^2\times 5^2\times {\mathrm{463}}^1\times {\mathrm{1997}}^1$

素因数の和:2476

約数の個数: 36

約数和(自身を含む): 373610016

約数和(自身を除く): 165572541

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 463, 1389, 1997, 2315, 4167, 5991, 6945, 9985, 11575, 17973, 20835, 29955, 34725, 49925, 89865, 104175, 149775, 449325, 924611, 2773833, 4623055, 8321499, 13869165, 23115275, 41607495, 69345825, 208037475]

約数ペア:

[(1, 208037475), (3, 69345825), (5, 41607495), (9, 23115275), (15, 13869165), (25, 8321499), (45, 4623055), (75, 2773833), (225, 924611), (463, 449325), (1389, 149775), (1997, 104175), (2315, 89865), (4167, 49925), (5991, 34725), (6945, 29955), (9985, 20835), (11575, 17973)]